"Mark all pages visited" on the watchlist does not require a CSRF token
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.8%
exploitation probability
0.8%top 47% of all CVEs
observed exploitation
nono source reports it
Mediawiki before 1.28.1 / 1.27.2 / 1.23.16 contains a flaw where the "Mark all pages visited" on the watchlist does not require a CSRF token.
Affected products
mediawiki · mediawiki